<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>盒子模型</title>
    <link rel="stylesheet" href="css/css_03盒子模型.css">
</head>
<body>
    <div id="header">
        <div class="logo">
            <a href=""> <img src="images/0742847dfed41e81.png" alt=""></a>
        </div>
        <div class="search">
            <form action="">
                <input type="text" class="keyword">
                <input type="submit"  value="搜索" class="searchBtn">
            </form>
        </div>
        <div class="login">
            <a href="">注册</a>
            <a href="">登录</a>
        </div>
    </div>
</body>
</html>